Dave cut the electrical cord off an old lamp someone had put out on the curb with the trash, stripped the coating all the way down to the plug, then wrapped his magnetized spike in spirals of bare wire.
戴维从别人当垃圾扔在路边的一个废台灯上剪一段电线下来,一路把电线外包的皮撕掉直到插头,然后用这条赤裸的电线把他的钉子一圈圈缠起来。